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Kuiz
Basics of SQL databases
🗄️
Kebenaran
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Basics of SQL databases
🗄️
English
Pertengahan
Simple and useful quiz to test basic knowledge of SQL databases.
Keterangan
Databases
,
Computer
,
SQL
Tag
30
Soalan
1 minit
Setiap soalan
7:14
Masa purata
3.0
Skor Pertandingan
32
Peserta
Mula Kuiz
1 komen
Hip Goose
3 Jun 2020
Q. What constraint should used for unique values.
Option contains both 1.Primary key and 2.Unique key ;
my question is why only primary key is correct...
Waiting for some reasonable answer.
Ambil kuiz untuk tinggalkan komen
Option contains both 1.Primary key and 2.Unique key ;
my question is why only primary key is correct...
Waiting for some reasonable answer.